diff options
Diffstat (limited to 'manual/filesys.texi')
| -rw-r--r-- | manual/filesys.texi | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/manual/filesys.texi b/manual/filesys.texi index 84c9f6b8a3..ccc8d55f24 100644 --- a/manual/filesys.texi +++ b/manual/filesys.texi @@ -115,7 +115,7 @@ software. @comment unistd.h @comment BSD -@deftypefun {char *} getwd (char *@var{buffer}) +@deftypefn {Deprecated Function} {char *} getwd (char *@var{buffer}) This is similar to @code{getcwd}, but has no way to specify the size of the buffer. The GNU library provides @code{getwd} only for backwards compatibility with BSD. @@ -125,6 +125,21 @@ The @var{buffer} argument should be a pointer to an array at least system there is no limit to the size of a file name, so this is not necessarily enough space to contain the directory name. That is why this function is deprecated. +@end deftypefn + +@comment unistd.h +@comment GNU +@deftypefun {char *} get_current_dir_name (void) +@vindex PWD +This @code{get_current_dir_name} function is bascially equivalent to +@w{@code{getcwd (NULL, 0)}}. The only difference is that the value of +the @code{PWD} variable is returned if this value is correct. This is a +subtle difference which is visible if the path described by the +@code{PWD} value is using one or more symbol links in which case the +value returned by @code{getcwd} can resolve the symbol links and +therefore yield a different result. + +This function is a GNU extension. @end deftypefun @comment unistd.h @@ -279,8 +294,8 @@ This returns the @code{st_mode} value corresponding to @var{dtype}. This structure may contain additional members in the future. Their availability is always announced in the compilation environment by a -macro names @code{_DIRENT_HAVE_D_xxx} where @code{xxx} is replaced by -the name of the new member. For instance, the member @code{d_reclen} +macro names @code{_DIRENT_HAVE_D_@var{xxx}} where @var{xxx} is replaced +by the name of the new member. For instance, the member @code{d_reclen} available on some systems is announced through the macro @code{_DIRENT_HAVE_D_RECLEN}. |